Kampnagel is a theatre in Hamburg, Germany. It is Germany's biggest independent production venue for the performing arts. It is based on the premises of a former mechanical engineering factory in Winterhude, founded in 1865. Since 1982 it has been hosting and producing cultural activities, theatre and dance performances and concerts. The site also hosts a number of festivals such as the "Internationales Sommerfestival" (International Summer Festival) and Live Art Festival.